47810942 has 4 divisors (see below), whose sum is σ = 71716416. Its totient is φ = 23905470.

The previous prime is 47810927. The next prime is 47810947. The reversal of 47810942 is 24901874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24901874 = 2 ⋅12450937.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47810947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11952734 + ... + 11952737.

It is an arithmetic number, because the mean of its divisors is an integer number (17929104).

Almost surely, 2^47810942 is an apocalyptic number.

47810942 is a deficient number, since it is larger than the sum of its proper divisors (23905474).

47810942 is a wasteful number, since it uses less digits than its factorization.

47810942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23905473.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 47810942 is about 6914.5456828341. The cubic root of 47810942 is about 362.9463502182.

The spelling of 47810942 in words is "forty-seven million, eight hundred ten thousand, nine hundred forty-two".